Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September ushers in a minute temperature change, with average high-temperatures reducing from August's enjoyable 18.4°C (65.1°F) to a moderate 15.3°C (59.5°F). Årøysund's temperature during September nights registers a minor decrease to an average low of 10.8°C (51.4°F).Humidity
The average relative humidity in September is 77%.Rainfall
In Årøysund, during September, the rain falls for 11.1 days and regularly aggregates up to 55mm (2.17") of precipitation. Throughout the year, there are 130.2 rainfall days, and 549mm (21.61") of precipitation is accumulated.Snowfall
In Årøysund, snow does not fall in May through September.Sea temperature
In Årøysund, in September, the average water temperature is 15.8°C (60.4°F).Note: Most people do not find swimming enjoyable in water of 15.8°C (60.4°F). The task of controlling breathing becomes tougher as the temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day is 12h and 50min.On the first day of September, sunrise is at 06:16 and sunset at 20:19. On the last day of the month, sunrise is at 07:22 and sunset at 18:53 CEST.
Sunshine
In September, the average sunshine in Årøysund is 8.3h.UV index
In Årøysund, Norway, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during September translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding the Sun during its peak radiation time around midday is a healthy practice. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What are the temperatures in Årøysund in September?
What is the average humidity in September in Årøysund?
How many days does it rain in September in Årøysund?
When it does not snow in Årøysund?
Does it snow in Årøysund in September?
What is the sea temperature in September in Årøysund?
What is the average length of the day in September in Årøysund?
When is the sunrise / sunset in September in Årøysund?
How many hours of sunshine does Årøysund have in September?
What is the UV index reading in September in Årøysund?
Average temperature in September
Årøysund, Norway
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is July (19.1°C).
The month with the lowest average high temperature is February (0.3°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is February (-3°C).
Average pressure in September
Årøysund, Norway
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in September
Årøysund, Norway
- Average wind speed in September: 16.7km/h
The windiest months (with the highest average wind speed) are November and December (19.7km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity in September
Årøysund, Norway
- Average humidity in September: 77%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in September
Årøysund, Norway
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is November (65mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Årøysund, Norway
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in September
Årøysund, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (111mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Årøysund, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in September
Årøysund, Norway
- Average sea temperature in September: 15.8°C
The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).
Average daylight in September /
Average sunshine in September
Årøysund, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Årøysund, Norway
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is April (19.9 days).
The months with the least sunshine days are June and July (13.4 days).
Average UV index in September
Årøysund, Norway
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Årøysund, Norway
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are June, July and August (Cloud cover 36).
Average visibility in September
Årøysund, Norway
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
Årøysund, Norway
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